Doug Zimmerer

VM Val-Matic Valve & Manufacturing: 1 patents #4 of 8Top 50%

📍 Winfield, IL: #87 of 143 inventorsTop 65%

🗺 Illinois: #48,934 of 84,256 inventorsTop 60%

Overall (All Time): #2,609,010 of 4,157,543Top 65%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
11767921	Ball valve	Timothy M. O'Shea	2023-09-26